Learning-related neural activity in olfactory cortex

Joost Maier et al. at Wake Forest School of Medicine used NeuroNexus A2x16-10mm-50-500-177-CM32 probes to record single units and population activity in rat posterior piriform cortex (pPC). They conditioned associations between odorants and sweetness to test the encoding of extra-olfactory (i.e., taste) features of an odor. Their results demonstrate that individual pPC neurons, as well as the population, discriminated sweet vs neutral odors on two different time scales.

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